#include<stdio.h> #include<malloc.h> struct LinkList{ int data; struct LinkList *next; }; LinkList * CreateList(LinkList *head,int n){ LinkList *tail,*r; head->next=NULL;tail = head; for(int i=0;i<n;i++){ r=(LinkList *)malloc(sizeof(LinkList)); scanf("%d",&r->data); tail->next=r; tail=r; }tail->next = NULL; return head; } LinkList *DeleList(LinkList *&head,int &n,int key) { LinkList *p,*q,*tail,*temp2; p = head; while(p->next) { if(p->next->data==key) //p的下一个元素与key对比 { n--; tail = p->next; //tail是与key相同的元素的指针地址 p->next = tail->next; //将tail的后继赋值给tail的后继 free(tail); //释放tail } else p = p->next; } printf("%d\n",n); return head; } void DispList(LinkList *head){ LinkList *p=head->next; while(p->next!=NULL){ printf("%d ",p->data); p=p->next; } printf("%d\n",p->data); } int main(){ int n; scanf("%d",&n); LinkList *head; head=(LinkList *)malloc(sizeof(LinkList)); CreateList(head,n);int key;scanf("%d",&key); printf("%d\n",n); DispList(head); DeleList(head,n,key); DispList(head); return 0; }
转载于:https://www.cnblogs.com/CCCrunner/p/6444603.html
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